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  • From: pinkenburg <pinkenburg AT bnl.gov>
  • To: NPPS members <Phys-npps-members-l AT lists.bnl.gov>
  • Subject: [[Phys-npps-members-l] ] any experience with gcc 15?
  • Date: Sun, 26 Oct 2025 12:03:49 -0400

Hi folks,

I see claims that gcc 15 produces significantly faster binaries than gcc 14 (in some cases 20%). Does anybody have experience how gcc 15 performs with our use cases (event reconstruction, simulations)? I don't want to go through this effort if there isn't a large enough carrot on the other side.

Thanks
Chris

--
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Christopher H. Pinkenburg ; pinkenburg AT bnl.gov
; http://www.phenix.bnl.gov/~pinkenbu

Brookhaven National Laboratory ; phone: (631) 344-5692
Physics Department Bldg 510 C ; fax: (631) 344-3253
Upton, NY 11973-5000

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